#99DADC
Closest named color: Celeste (#A8DADC). oklch(84.6% 0.066 198.4), rgb(153, 218, 220).
Aa
Black text reads best on this color (13.41:1).
About this color
#99DADC is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.066 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.016 away. Black text reads best on it, at 13.41:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.41:1 |
| White text | 1.56:1 |
Values
| HEX | #99DADC |
| RGB | rgb(153, 218, 220) |
| HSL | hsl(182, 49%, 73%) |
| OKLCH | oklch(84.6% 0.066 198.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99DADC | 1.56:1 | Fails | Lc -29.2 | Dividers and decoration only |
| Black text on #99DADC | 13.41:1 | AAA | Lc 78.0 | Fine for body text |
| #99DADC text on white | 1.56:1 | Fails | Lc 25.8 | Dividers and decoration only |
| #99DADC text on black | 13.41:1 | AAA | Lc -77.3 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DCEEEE
oklch(93.6% 0.019 196.8)
-
Step 200
200
#BEE1E2
oklch(88.5% 0.037 198.6)
-
Step 300
300 (this color)
#99DADC
oklch(84.6% 0.066 198.4)
-
Step 400
400
#3AB4B9
oklch(70.6% 0.105 199)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#99DADC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D1D4DC | 0.067 |
| Deuteranopia (no green cones) | #C5CBDD | 0.063 |
| Tritanopia (no blue cones) | #81DEDA | 0.025 |
| Achromatopsia (no color) | #CFCFCF | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DADC
#99DADC
oklch(84.6% 0.066 198.4)
- #F4BCBC
#F4BCBC
oklch(84.6% 0.065 18.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99DADC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.029
- Powder Blue #B0E0E6 ΔE 0.034
- Tiffany Blue #94D2BD ΔE 0.044
- Sky Blue #87CEEB ΔE 0.049
- Light Teal #90E4C1 ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.058
- Robin's Egg Blue #98EFF9 ΔE 0.059
Use #99DADC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.